Homework Help: algebra

Posted by Sophie on Friday, December 21, 2012 at 5:46pm.

At the Wild Thing Zoo, you can rent a motorized cart to tour the grounds for a $4 initial charge and $4 per hour. An equation that represents the total cost y for x hours is y = 4 + 4x. At Safari Zoo, you can rent the same cart for a $3 initial charge and $5 per hour. An equation that represents the total cost y for x hours is y = 3 + 5x. For how many hours is the total charge the same?

algebra - Reiny, Saturday, December 22, 2012 at 1:03am
set 4+4x = 3+5x
and solve for x
it is easy.

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